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Siga Technologies (SIGA) Institutional Ownership

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$4.64 +0.01 (+0.22%)
Closing price 04:00 PM Eastern
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$4.64 +0.00 (+0.04%)
As of 07:55 PM Eastern
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Institutional Ownership Changes (13F Filings) for Siga Technologies (NASDAQ:SIGA)

Current
Institutional Ownership
Percentage
55.40%
Number of
Institutional Buyers
(last 12 months)
109
Total
Institutional Inflows
(last 12 months)
$53.13M
Number of
Institutional Sellers
(last 12 months)
58
Total
Institutional Outflows
(last 12 months)
$36.12M
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Skip Chart & View Institutional Buying and Selling Data

SIGA Institutional Buying and Selling by Quarter

Siga Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/5/2026Bank of New York Mellon Corp256,803$1.37M0.0%+1.0%0.358%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management53,694$287K0.0%+22.2%0.075%
4/30/2026 Hsbc Holdings PLC13,385$71K0.0%-68.1%0.019%
4/28/2026 DGS Capital Management LLC42,434$227K0.0%-15.8%0.059%
4/25/2026 Strs Ohio109,900$588K0.0%+22.0%0.153%
3/20/2026 Hsbc Holdings PLC42,011$257K0.0%+33.8%0.059%
2/24/2026 DGS Capital Management LLC50,370$308K0.1%+51.4%0.070%
2/19/2026Invesco Ltd.113,437$693K0.0%+7.8%0.158%
2/18/2026State of Tennessee Department of Treasury36,398$244K0.0%+56.6%0.051%
2/18/2026EP Wealth Advisors LLC20,155$123K0.0%N/A0.028%
2/18/2026Uniplan Investment Counsel Inc.378,257$2.31M0.6%-4.6%0.528%
2/18/2026Wellington Management Group LLP127,969$782K0.0%-10.6%0.179%
2/18/2026Oxford Asset Management LLP34,786$213K0.1%N/A0.049%
2/18/2026Millennium Management LLC489,310$2.99M0.0%+90.9%0.683%
2/18/2026Man Group plc57,544$352K0.0%+21.9%0.080%
2/18/2026Janus Henderson Group PLC188,717$1.15M0.0%-34.7%0.264%
2/18/2026Bridgeway Capital Management LLC197,868$1.21M0.0%-9.2%0.276%
2/17/2026Guggenheim Capital LLC12,826$78K0.0%N/A0.018%
2/17/2026Schonfeld Strategic Advisors LLC44,754$273K0.0%+217.3%0.062%
2/17/2026AQR Capital Management LLC872,795$5.33M0.0%+150.7%1.219%
2/17/2026Lazard Asset Management LLC47,766$292K0.0%+195.5%0.067%
2/17/2026Trexquant Investment LP57,597$352K0.0%+27.1%0.080%
2/17/2026Jump Financial LLC15,643$96K0.0%-78.9%0.022%
2/17/2026Price T Rowe Associates Inc. MD46,344$284K0.0%+8.4%0.065%
2/17/2026Russell Investments Group Ltd.35,255$215K0.0%+27.2%0.049%
2/17/2026ExodusPoint Capital Management LP54,014$330K0.0%+64.2%0.075%
2/17/2026Royal Bank of Canada4,996$30K0.0%-93.7%0.007%
2/16/2026Squarepoint Ops LLC15,014$92K0.0%N/A0.021%
2/16/2026Mariner LLC11,560$71K0.0%N/A0.016%
2/16/2026Barclays PLC77,325$472K0.0%+6.5%0.108%
2/13/2026 Kestra Advisory Services LLC16,100$98K0.0%+41.5%0.022%
2/13/2026Inspire Advisors LLC16,767$102K0.0%N/A0.023%
2/13/2026Segall Bryant & Hamill LLC274,008$1.67M0.0%-2.4%0.383%
2/13/2026Jacobs Levy Equity Management Inc.496,166$3.03M0.0%+7.0%0.693%
2/13/2026First Trust Advisors LP154,944$947K0.0%+2.2%0.216%
2/13/2026Charles Schwab Investment Management Inc.316,701$1.94M0.0%-9.4%0.442%
2/13/2026State Street Corp1,075,570$6.57M0.0%+4.0%1.502%
2/13/2026Martingale Asset Management L P92,260$564K0.0%-12.7%0.129%
2/13/2026Wells Fargo & Company MN45,154$276K0.0%+46.7%0.063%
2/13/2026Macquarie Group Ltd.244,853$1.50M0.0%-13.9%0.342%
2/12/2026Jane Street Group LLC120,858$738K0.0%+11.3%0.169%
2/12/2026 Brooklyn Investment Group49,189$307K0.0%N/A0.069%
2/12/2026State Board of Administration of Florida Retirement System238,975$1.46M0.0%+103.1%0.334%
2/12/2026Renaissance Technologies LLC378,100$2.31M0.0%+22.6%0.528%
2/12/2026Dimensional Fund Advisors LP2,536,794$15.50M0.0%+4.3%3.542%
2/12/2026Integrated Quantitative Investments LLC104,645$639K0.1%N/A0.146%
2/12/2026Federated Hermes Inc.139,510$852K0.0%-60.0%0.195%
2/12/2026Campbell & CO Investment Adviser LLC55,648$340K0.0%-33.3%0.078%
2/12/2026Aviva PLC78,893$482K0.0%+41.8%0.110%
2/12/2026First Wilshire Securities Management Inc.684,053$4.18M1.1%-0.6%0.955%
2/11/2026CSM Advisors LLC627,870$3.84M0.1%+5.3%0.877%
2/11/2026Deutsche Bank AG31,512$193K0.0%+5.4%0.044%
2/11/2026Franklin Resources Inc.60,132$367K0.0%-25.1%0.084%
2/11/2026Brandywine Global Investment Management LLC175,030$1.07M0.0%-3.6%0.244%
2/11/2026O Shaughnessy Asset Management LLC49,657$303K0.0%+10.8%0.069%
2/11/2026AltraVue Capital LLC2,408,824$14.72M1.2%-0.4%3.364%
2/11/2026Vestcor Inc53,317$326K0.0%+265.1%0.074%
2/11/2026WINTON GROUP Ltd97,377$595K0.0%-7.8%0.136%
2/11/2026Parallel Advisors LLC7,969$49K0.0%+47.0%0.011%
2/11/2026State of Wyoming82,949$507K0.1%+41.7%0.116%
2/10/2026Goldman Sachs Group Inc.647,146$3.95M0.0%+21.6%0.904%
2/10/2026AXQ Capital LP17,030$104K0.0%N/A0.024%
2/10/2026Intech Investment Management LLC16,877$103K0.0%-16.8%0.024%
2/9/2026Geode Capital Management LLC1,004,734$6.14M0.0%+0.7%1.403%
2/9/2026Royce & Associates LP611,019$3.73M0.0%-10.2%0.853%
2/6/2026Legato Capital Management LLC580,545$3.55M0.3%+13.4%0.811%
2/6/2026LSV Asset Management538,630$3.29M0.0%+28.8%0.752%
2/6/2026 ProShare Advisors LLC10,659$65K0.0%N/A0.015%
2/3/2026Denali Advisors LLC361,800$2.21M0.2%+0.4%0.505%
2/2/2026 Strs Ohio90,100$551K0.0%+35.7%0.126%
1/30/2026Precision Wealth Strategies LLC67,794$414K0.1%N/A0.095%
1/30/2026 Strategic Blueprint LLC51,100$312K0.0%N/A0.071%
1/26/2026CWM LLC5,027$31K0.0%+148.6%0.007%
1/23/2026 Farther Finance Advisors LLC4,150$25K0.0%+418.1%0.006%
1/23/2026 State of Alaska Department of Revenue11,018$67K0.0%+192.5%0.015%
1/20/2026 October Effect Ltd23,100$141K0.2%-10.0%0.032%
1/16/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management43,922$268K0.0%N/A0.061%
1/14/2026 Exchange Traded Concepts LLC39,888$244K0.0%+26.9%0.056%
1/12/2026 DAVENPORT & Co LLC50,000$306K0.0%N/A0.070%
1/9/2026 SG Americas Securities LLC10,666$65K0.0%-23.2%0.015%
1/8/2026 Wealth Enhancement Advisory Services LLC65,942$439K0.0%+9.1%0.092%
1/7/2026 Significant Wealth Partners LLC22,202$136K0.2%-50.1%0.031%
1/1/2026JPMorgan Chase & Co.211,055$1.93M0.0%+744.6%0.295%
11/21/2025CIBC Bancorp USA Inc.25,694$235K0.0%N/A0.036%
11/18/2025Cim Investment Management Inc.24,379$223K0.1%-51.9%0.034%
11/17/2025Jacobs Levy Equity Management Inc.463,705$4.24M0.0%+5.7%0.648%
11/17/2025 PharVision Advisers LLC15,061$138K0.1%N/A0.021%
11/17/2025Sherbrooke Park Advisers LLC13,628$125K0.1%N/A0.019%
11/17/2025Qube Research & Technologies Ltd46,189$423K0.0%N/A0.064%
11/17/2025Prelude Capital Management LLC19,700$180K0.0%N/A0.028%
11/17/2025Millennium Management LLC256,337$2.35M0.0%+353.8%0.358%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19,268$176K0.0%-14.3%0.027%
11/17/2025CSM Advisors LLC596,512$5.46M0.2%+66.5%0.833%
11/17/2025Centiva Capital LP25,828$236K0.0%+33.4%0.036%
11/17/2025Bank of America Corp DE518,771$4.75M0.0%+27.9%0.724%
11/17/2025Alliancebernstein L.P.63,710$583K0.0%-7.8%0.089%
11/17/2025Ameriprise Financial Inc.172,490$1.58M0.0%-35.4%0.241%
11/14/2025Schonfeld Strategic Advisors LLC14,103$129K0.0%N/A0.020%
11/14/2025Creative Planning56,959$521K0.0%+64.9%0.080%
11/14/2025Lazard Asset Management LLC16,162$148K0.0%N/A0.023%


SIGA Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SIGA shares?

During the previous two years, 163 institutional investors and hedge funds held shares of Siga Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($24.30M), Dimensional Fund Advisors LP ($15.50M), AltraVue Capital LLC ($14.72M), Van Lanschot Kempen Investment Management N.V. ($13.04M), American Century Companies Inc. ($9.16M), Arrowstreet Capital Limited Partnership ($7.64M), and Hotchkis & Wiley Capital Management LLC ($7.57M).Learn more on Siga Technologies' institutional investors.

What percentage of Siga Technologies' stock is owned by institutional investors?

55.40% of Siga Technologies' stock is owned by institutional investors. Learn more on SIGA's institutional investor holdings.

Which institutional investors have been buying Siga Technologies' stock?

Of the 142 institutional investors that purchased Siga Technologies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hotchkis & Wiley Capital Management LLC ($2.33M), American Century Companies Inc. ($849.56K), CSM Advisors LLC ($627.87K), AQR Capital Management LLC ($537.71K), Dimensional Fund Advisors LP ($481.12K), AltraVue Capital LLC ($461.08K), and Foundry Partners LLC ($447.78K).

How much institutional buying is happening at Siga Technologies?

Institutional investors have bought a total of 7,620,446 shares in the last 24 months. This purchase volume represents approximately $53.11M in transactions.

Which of Siga Technologies' major shareholders have been selling company stock?

Of the 57 institutional investors that sold Siga Technologies' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Wilshire Securities Management Inc. ($1.68M), Hotchkis & Wiley Capital Management LLC ($1.24M), Federated Hermes Inc. ($223.45K), Royce & Associates LP ($154.85K), Campbell & CO Investment Adviser LLC ($142.77K), Charles Schwab Investment Management Inc. ($134.08K), and Los Angeles Capital Management LLC ($124.74K).

How much institutional selling is happening at Siga Technologies?

Institutional investors have sold a total of 5,071,076 shares in the last 24 months. This volume of shares sold represents approximately $36.12M in transactions.


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This page (NASDAQ:SIGA) was last updated on 5/5/2026 by MarketBeat.com Staff.
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